Cassette holder



FIG. 1 is a perspective view of a cassette holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view, the other side being a mirror image thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in FIGS. 1 and 4 are for illustrative purposes only. 

The ornamental design for a cassette holder, as shown and described. 